It will have better battery life, and up to 300 hours of standby. The back is black, except on the 16gb model, there will also be a white one. Will have support for GPS, a camera, a flush headphone jack.
It will becoming to many countries, and will be released in the 20 biggest countries on july 11th. The new features are really great and it looks really cool and is a lot thinner. Also, check out the add the >HERE<, It will come with firmware 2.0, which will include over a hundred apps upon release in early july. Set those clocks for 1 AM july 11th because there is going to be a long line at the apple stores